@article{articleb55175c2,
title   = {Effect of a ceramic and a non-ceramic hydroxyapatite on cell growth and procollagen synthesis of cultured human gingival fibroblasts},
author = {Ruano, Rogério and Jaeger, Ruy Gastaldoni and Marques, Márcia Martins},
year = {2000},
journal   = {Journal of Periodontology}
}